#define _CRT_SECURE_NO_WARNINGS 1

# include<bits/stdc++.h>
using namespace std;


int main()
{
    int n = 0, cnt = 0;
    cin >> n;
    for (int i = 0; i < n; ++i)
    {
        for (int j = 1; j <= i + 1; ++j)
        {
            printf("%4d", ++cnt);
        }
        cout << endl;
    }
    return 0;
}